How to use MYSQL(Set timeout x)

I use Asterisk 1.6.2.11 and this is my dialplan:

[test]
exten => 9999,1,NoOp(${STRFTIME(${EPOCH},,%Y-%m-%d %H:%M:%S)})
exten => 9999,n,Answer()
exten => 9999,n,NoOp(${STRFTIME(${EPOCH},,%Y-%m-%d %H:%M:%S)})
exten => 9999,n,PlayBack(hello-world)
exten => 9999,n,NoOp(${STRFTIME(${EPOCH},,%Y-%m-%d %H:%M:%S)})
exten => 9999,n,MYSQL(Set timeout 2)
exten => 9999,n,NoOp(${STRFTIME(${EPOCH},,%Y-%m-%d %H:%M:%S)})
exten => 9999,n,MYSQL(Connect connid localhost user pass asterisk)
exten => 9999,n,NoOp(${STRFTIME(${EPOCH},,%Y-%m-%d %H:%M:%S)})
exten => 9999,n,MYSQL(Query resultid ${connid} SELECT SLEEP(10))
exten => 9999,n,NoOp(${STRFTIME(${EPOCH},,%Y-%m-%d %H:%M:%S)})
exten => 9999,n,MYSQL(Fetch fetchid ${resultid} RESULT)
exten => 9999,n,NoOp(${STRFTIME(${EPOCH},,%Y-%m-%d %H:%M:%S)})
exten => 9999,n,MYSQL(Clear ${resultid})
exten => 9999,n,NoOp(${STRFTIME(${EPOCH},,%Y-%m-%d %H:%M:%S)})
exten => 9999,n,MYSQL(Disconnect ${connid})
exten => 9999,n,NoOp(${STRFTIME(${EPOCH},,%Y-%m-%d %H:%M:%S)})
exten => 9999,n,NoOp(Result: ${RESULT})
exten => 9999,n,NoOp(${STRFTIME(${EPOCH},,%Y-%m-%d %H:%M:%S)})
exten => 9999,n,Hangup()

When i call to 9999 this is the CLI output:

Connected to Asterisk 1.6.2.11 currently running on Asterisk (pid = 2092)
Verbosity is at least 2147483647
Asterisk*CLI>
== Using SIP RTP CoS mark 5